1. By Trace/Blake

2. Cancer happens when cells are not normal grow andspread very fast. Cancer involves all of your cells.Sometimes cancer cells break away from the original tumorand travel to other areas of the body. 3. Thats because the symptomscancer can cause-weight loss ,fever ,swollen glands , orfeeling overly tiered or sick.It can take a while for a doctorto figure out if a kid has cancer 4. www.kidshealth.org